Chords from coll to poly~

I’d like to be able to send chords from a coll into this poly~ synth. If I send the line i get I do not get any audio except for the first entry on the line. What do I need to do in order to get all of the notes to sound together as if I am playing them from a MIDI keyboard?

here is an example of a chord in coll I want to send to the synth:

1, 2959.955322 987.766602 523.251099 932.327576 349.228241 440;

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